Derby Talk

The start tree is completed now. I took a video and pictures before painting, but essentially here are the completed photos. This is the big AC bulbs http://rick.fryar.org/images/IMG_20120219_125808.jpg This is the "remote" control that the scouts use to trigger the start of the race. The ...

Our pack recently upgraded our track to a new timer. With the new timer we upgraded to the GPRM software. The previous software was the Super-Timer 2 race manager. Super Timer had a built in dynamic scheduler similar to GPRM however it assured lane equity. Ie every car ran at least once in each lane...

I am not positive, but aren't the relays on that board have both NO (normally open) and NC (normally closed) connections? I tried that first but for some reason it never really turns the relay off. The manufacturer of the board suggested perhaps using a separate 5 volt line would allow it to work i...

Stan Pope wrote:The function you are looking for is "invertor".

Thanks, I have an invertor on order from Mouser. Thanks for pointing me in the right direction, will update this when I get the parts and if I get everything working!

Rick

Hello, I am new to this forum and it has been a good resource for parts, etc. I have started making my own start tree based off a 555 Timer and a 8021 Decay Counter. I have it prototyped out using leds and a "remote" that also contains leds. My problem is that I want to replace the leds on...